326479974623 has 4 divisors (see below), whose sum is σ = 356159972328. Its totient is φ = 296799976920.

The previous prime is 326479974617. The next prime is 326479974643.

326479974623 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 326479974623 - 2¹⁶ = 326479909087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326479974643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14839998836 + ... + 14839998857.

It is an arithmetic number, because the mean of its divisors is an integer number (89039993082).

Almost surely, 2^326479974623 is an apocalyptic number.

326479974623 is a deficient number, since it is larger than the sum of its proper divisors (29679997705).

326479974623 is a wasteful number, since it uses less digits than its factorization.

326479974623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29679997704.

The product of its digits is 82301184, while the sum is 62.

The spelling of 326479974623 in words is "three hundred twenty-six billion, four hundred seventy-nine million, nine hundred seventy-four thousand, six hundred twenty-three".